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behavior-dashboard-query-panel-select.js
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behavior-dashboard-query-panel-select.js
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/**
* @provides javelin-behavior-dashboard-query-panel-select
* @requires javelin-behavior
* javelin-dom
*/
/**
* When editing a "Query" panel on dashboards, make the "Query" selector control
* dynamically update in response to changes to the "Engine" selector control.
*/
JX.behavior('dashboard-query-panel-select', function(config) {
var app_control = JX.$(config.applicationID);
var query_control = JX.$(config.queryID);
// If we have a currently-selected query, add it to the appropriate group
// in the options list if it does not already exist.
if (config.value.key !== null) {
var app = app_control.value;
if (!(app in config.options)) {
config.options[app] = [];
}
var found = false;
for (var ii = 0; ii < config.options[app].length; ii++) {
if (config.options[app][ii].key == config.value.key) {
found = true;
break;
}
}
if (!found) {
config.options[app] = [config.value].concat(config.options[app]);
}
}
// When the user changes the selected search engine, update the query
// control to show available queries for that engine.
function update() {
var app = app_control.value;
var old_value = query_control.value;
var new_value = null;
var options = config.options[app] || [];
var nodes = [];
for (var ii = 0; ii < options.length; ii++) {
if (new_value === null) {
new_value = options[ii].key;
}
if (options[ii].key == old_value) {
new_value = options[ii].key;
}
nodes.push(JX.$N('option', {value: options[ii].key}, options[ii].name));
}
JX.DOM.setContent(query_control, nodes);
query_control.value = new_value;
}
JX.DOM.listen(app_control, 'change', null, function() { update(); });
update();
});

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Content licensed under Creative Commons Attribution-ShareAlike 4.0 (CC-BY-SA) unless otherwise noted; code licensed under Apache 2.0 or other open source licenses. · CC BY-SA 4.0 · Apache 2.0